Former Arizona Attorney General Terry Goddard has filed nominating petitions to run as a Democrat in the race for secretary of state.

Goddard filed more than 9,000 qualifying signatures Monday and more than 3,300 $5 contributions that will qualify him for public funding under the state's clean elections law.

Goddard said he'll focus on eliminating anonymous "dark-money" spending in elections and promised not to endorse candidates.

He criticized current Republican Secretary of State Ken Bennett for working on Republican Mitt Romney's 2010 presidential campaign, saying the state's chief elections officer must be above partisan politics.

Goddard was attorney general for eight years, winning statewide races in 2002 and 2006. He's also lost three governor's races.

Republicans in the race include Wil Cardon, Rep. Justin Pierce and Sen. Michele Reagan.